Distribution of residual pulmonary obstruction (RPO) index according to the initial pulmonary obstruction index in the 156 patients who received pulmonary embolism diagnosis by means of a lung scan
| Pulmonary perfusion index at time of diagnosis % | RPO index % | p-value | ||
| <1 | 1–25 | >25 | ||
| 1–25 | 33 (47.1) | 33 (47.1) | 4 (5.7) | 0.07 |
| >25 | 37 (43.0) | 34 (39.5) | 15 (17.4) | |
Data are presented as n (%), unless otherwise stated.